Much of the initial funding for Hitler and his national socialists seem to have come from like-minded left-wing, pro-eugenics/racial-hygene socialist types in the US and Europe...
The larger companies also quickly saw the business advantage that wartime mobiization would offer and seem to have been quick to jump in behind the socialists to get close enough probably partly in order to ensure that theu remained somewhat independent companies rather than state owned...
Of course the way that WW2 went the national socialists only inplimented a relatively small portion of their 1000 year reich strategy principaly related to restructuring Germany for total warfare, looting/plundering of conquered nations/peoples and factory-style extermination of unwanted/undesirable population groups...
